with `lspci |grep -i wireless` you can obtain enough information about your wifi card and the proper module to load and if you don't... google is your friend
wifi kernel modules are in debian lenny and I think you should have wireless-tool and kwifimanager installed eg. on my laptop I got an "intel 4965" wireless card and the module to load is "iwl4965" regards 2009/1/7 Umarzuki Mochlis <umarz...@gmail.com> > right now, i'm having problem installing wifi driver for lenny. Now > trying with mad wifi, i how do i know which module to load?